Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Illumination Values for Colliery Surface Buildings (leaflet)
Information Bulletin No. 54/134. 2 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2018.42/113
Creu/Cynhyrchu
National Coal Board Production Department
Derbyniad
old stock, 26/1/2018
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 204
Deunydd
Card
Paper
Metal
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.